Should the liquid in the tube cover the whole swab head when it’s immersed?

The amount of liquid should cover approximately ¾ of the swab when it is immersed. It is important to follow the User Instructions and stir the swab 3-4 times once immersed in the tube. After the 1-minute incubation in the solution, remove the swab from the TUBE by rubbing the swab head against the inside wall of the tube to squeeze out as much liquid as possible.